HgCdTe focal plane arrays for low background astronomical applications

Details HgCdTe focal plane arrays for low background astronomical applications HgCdTe focal plane arrays for low background astronomical applications

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627..446h&link_type=abstract

IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, AZ, Mar. 4-8, 1986. Part 2 (A87-36376 15-35). Bellingha

Astronomy and Astrophysics

Astronomy

Charge Coupled Devices, Focal Plane Devices, Infrared Astronomy, Infrared Imagery, Mercury Cadmium Tellurides, Photometers, Analog To Digital Converters, Diodes, Field Effect Transistors, Volt-Ampere Characteristics

Scientific paper

Mercury cadmium telluride is a promising detector material for low background astronomical imaging and spectroscopy in the near infrared. The authors have begun a program to measure dark current as a function of temperature in both isolated HgCdTe diode arrays and arrays which have been bump-bonded to silicon multiplexers. They describe measurements of 2.5 μm cutoff diode material and a hybrid array with a CCD readout. Measurements of 52 μm×52 μm detectors indicate that id may be less than 50 - 100 e-/sec at 87K.

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